How could you find how many blocks there were in 20 stories

What is - 0.22 as a fraction

The sun produces 3.8*10^27 joules of energy per second. How much energy is produced in a year. The year is approximately 31,000,000 seconds

The average of 6 number is 4. A seventh number is added and the new average is 5. Find the seventh number

2 (3x-1) + 4 (2y+3) ?

Write 51129 in expanded form

X : - 6 = 10 what is x?

There are 7 Yellow 5 green and 3 blue party hats in a bag here in only true yellow party hat and put it on then your friend randomly chooses the other party hat what is the probability of both of you choosing a yellow party hat

What number must be added to the expression below to complete the square? x2 - 18x A. - 81 B. - 9 C. 81 D. 9

How many ounce in 20grams

Which ordered pair represents the y-intercept of the graph of the equation у = - 5 х + 6? A. (6,0) B. (0,6) C. (0,-5) D. (-5,0)